[INFO] fetching crate terminal_colour 0.2.0...
[INFO] testing terminal_colour-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate terminal_colour 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate terminal_colour 0.2.0
[INFO] finished tweaking crates.io crate terminal_colour 0.2.0
[INFO] tweaked toml for crates.io crate terminal_colour 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate terminal_colour 0.2.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f74eb2f15f8617ba33e53594d06154ef051d6809ffbef8e2a82fd0f1bdc43964
[INFO] running `Command { std: "docker" "start" "-a" "f74eb2f15f8617ba33e53594d06154ef051d6809ffbef8e2a82fd0f1bdc43964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f74eb2f15f8617ba33e53594d06154ef051d6809ffbef8e2a82fd0f1bdc43964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74eb2f15f8617ba33e53594d06154ef051d6809ffbef8e2a82fd0f1bdc43964", kill_on_drop: false }`
[INFO] [stdout] f74eb2f15f8617ba33e53594d06154ef051d6809ffbef8e2a82fd0f1bdc43964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b4cf92668d39a01bfbb84b5ab785bc1341d8bbf367472471095a2995d136c9
[INFO] running `Command { std: "docker" "start" "-a" "49b4cf92668d39a01bfbb84b5ab785bc1341d8bbf367472471095a2995d136c9", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling terminal_colour v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 |             RGB_START...RGB_END => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:192:28
[INFO] [stdout]     |
[INFO] [stdout] 192 |             GREYSCALE_START...255 => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             normal::BLACK => ColourVariant::Normal(NormalColour::Black),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 168 |             normal::RED => ColourVariant::Normal(NormalColour::Red),
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] 169 |             normal::GREEN => ColourVariant::Normal(NormalColour::Green),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 170 |             normal::YELLOW => ColourVariant::Normal(NormalColour::Yellow),
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ ...and 14 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "49b4cf92668d39a01bfbb84b5ab785bc1341d8bbf367472471095a2995d136c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b4cf92668d39a01bfbb84b5ab785bc1341d8bbf367472471095a2995d136c9", kill_on_drop: false }`
[INFO] [stdout] 49b4cf92668d39a01bfbb84b5ab785bc1341d8bbf367472471095a2995d136c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd113f13b264e6c66cfc02bebc56a7e9c52a25bef1627d3b11034fdfc0e199b9
[INFO] running `Command { std: "docker" "start" "-a" "bd113f13b264e6c66cfc02bebc56a7e9c52a25bef1627d3b11034fdfc0e199b9", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 |             RGB_START...RGB_END => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:192:28
[INFO] [stdout]     |
[INFO] [stdout] 192 |             GREYSCALE_START...255 => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling terminal_colour v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             normal::BLACK => ColourVariant::Normal(NormalColour::Black),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 168 |             normal::RED => ColourVariant::Normal(NormalColour::Red),
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] 169 |             normal::GREEN => ColourVariant::Normal(NormalColour::Green),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 170 |             normal::YELLOW => ColourVariant::Normal(NormalColour::Yellow),
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ ...and 14 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 |             RGB_START...RGB_END => {
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:192:28
[INFO] [stdout]     |
[INFO] [stdout] 192 |             GREYSCALE_START...255 => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             normal::BLACK => ColourVariant::Normal(NormalColour::Black),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 168 |             normal::RED => ColourVariant::Normal(NormalColour::Red),
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] 169 |             normal::GREEN => ColourVariant::Normal(NormalColour::Green),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 170 |             normal::YELLOW => ColourVariant::Normal(NormalColour::Yellow),
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 196 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ ...and 14 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "bd113f13b264e6c66cfc02bebc56a7e9c52a25bef1627d3b11034fdfc0e199b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd113f13b264e6c66cfc02bebc56a7e9c52a25bef1627d3b11034fdfc0e199b9", kill_on_drop: false }`
[INFO] [stdout] bd113f13b264e6c66cfc02bebc56a7e9c52a25bef1627d3b11034fdfc0e199b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfc9006a7fd5a73d4f0591da85da14a8965e5d8fbd11aca290c92c0174f3205c
[INFO] running `Command { std: "docker" "start" "-a" "dfc9006a7fd5a73d4f0591da85da14a8965e5d8fbd11aca290c92c0174f3205c", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:183:22
[INFO] [stderr]     |
[INFO] [stderr] 183 |             RGB_START...RGB_END => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:192:28
[INFO] [stderr]     |
[INFO] [stderr] 192 |             GREYSCALE_START...255 => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             _ => unreachable!(),
[INFO] [stderr]     |             ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/lib.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             normal::BLACK => ColourVariant::Normal(NormalColour::Black),
[INFO] [stderr]     |             ------------- matches some of the same values
[INFO] [stderr] 168 |             normal::RED => ColourVariant::Normal(NormalColour::Red),
[INFO] [stderr]     |             ----------- matches some of the same values
[INFO] [stderr] 169 |             normal::GREEN => ColourVariant::Normal(NormalColour::Green),
[INFO] [stderr]     |             ------------- matches some of the same values
[INFO] [stderr] 170 |             normal::YELLOW => ColourVariant::Normal(NormalColour::Yellow),
[INFO] [stderr]     |             -------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 196 |             _ => unreachable!(),
[INFO] [stderr]     |             ^ ...and 14 other patterns collectively make this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `terminal_colour` (lib) generated 3 warnings (run `cargo fix --lib -p terminal_colour` to apply 2 suggestions)
[INFO] [stderr] warning: `terminal_colour` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/terminal_colour-ced17639759710d0)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests terminal_colour
[INFO] [stdout] test tests::from_colour ... ok
[INFO] [stdout] test tests::reflexive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:183:22
[INFO] [stderr]     |
[INFO] [stderr] 183 |             RGB_START...RGB_END => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:192:28
[INFO] [stderr]     |
[INFO] [stderr] 192 |             GREYSCALE_START...255 => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfc9006a7fd5a73d4f0591da85da14a8965e5d8fbd11aca290c92c0174f3205c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc9006a7fd5a73d4f0591da85da14a8965e5d8fbd11aca290c92c0174f3205c", kill_on_drop: false }`
[INFO] [stdout] dfc9006a7fd5a73d4f0591da85da14a8965e5d8fbd11aca290c92c0174f3205c
